JPS57126923A - Production of high-manganese nonmagnetic cold-rolled steel sheet - Google Patents
Production of high-manganese nonmagnetic cold-rolled steel sheetInfo
- Publication number
- JPS57126923A JPS57126923A JP56011203A JP1120381A JPS57126923A JP S57126923 A JPS57126923 A JP S57126923A JP 56011203 A JP56011203 A JP 56011203A JP 1120381 A JP1120381 A JP 1120381A JP S57126923 A JPS57126923 A JP S57126923A
- Authority
- JP
- Japan
- Prior art keywords
- cold
- steel sheet
- rolled
- condition
- nonmagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010960 cold rolled steel Substances 0.000 title abstract 3
- 229910052748 manganese Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011572 manganese Substances 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 abstract 5
- 239000010959 steel Substances 0.000 abstract 5
- 238000000137 annealing Methods 0.000 abstract 2
- 238000005097 cold rolling Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000001247 metal acetylides Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE:To enable production of a high-Mn nonmagnetic cold-rolled steel sheet under a stable condition, by properly controlling the chemical components, cold- rolling condition and annealing condition of a high-Mn nonmagnetic steel to properly control precipitation of carbides at grain boundaries. CONSTITUTION:When a hot-rolled steel sheet containing 0.80-1.10% C, 13.00- 17.00% Mn and 0.20-0.60% Si is cold-rolled, the steel sheet is formed into a state having a desired thickness by one or more repetition of cold-rolling with a reduction of 60% or less by one stage and annealing under a cooling speed condition represented by the formula. In this case, the steel sheet shall be annealed under the heating condition of (900-1,050 deg.C)X(0.5-2.0min) to obtain a sufficient softening effect. According to this method, the cold-rolled sheet of a high-Mn nonmagnetic steel, which has been considered as a difficult one, can be produced with excellent productivity. Moreover, the cold-rolled steel sheet is excellent in workability and work-hardenability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56011203A JPS57126923A (en) | 1981-01-28 | 1981-01-28 | Production of high-manganese nonmagnetic cold-rolled steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56011203A JPS57126923A (en) | 1981-01-28 | 1981-01-28 | Production of high-manganese nonmagnetic cold-rolled steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57126923A true JPS57126923A (en) | 1982-08-06 |
Family
ID=11771461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56011203A Pending JPS57126923A (en) | 1981-01-28 | 1981-01-28 | Production of high-manganese nonmagnetic cold-rolled steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57126923A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761780B2 (en) | 1999-01-27 | 2004-07-13 | Jfe Steel Corporation | Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use |
| WO2007024092A1 (en) * | 2005-08-23 | 2007-03-01 | Posco | High strength hot rolled steel sheet containing high mn content with excellent workability and method for manufacturing the same |
| JP2019504184A (en) * | 2015-12-18 | 2019-02-14 | ポスコＰｏｓｃｏ | Abrasion resistant steel material excellent in toughness and internal quality and method for producing the same |
-
1981
- 1981-01-28 JP JP56011203A patent/JPS57126923A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761780B2 (en) | 1999-01-27 | 2004-07-13 | Jfe Steel Corporation | Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use |
| WO2007024092A1 (en) * | 2005-08-23 | 2007-03-01 | Posco | High strength hot rolled steel sheet containing high mn content with excellent workability and method for manufacturing the same |
| JP2019504184A (en) * | 2015-12-18 | 2019-02-14 | ポスコＰｏｓｃｏ | Abrasion resistant steel material excellent in toughness and internal quality and method for producing the same |
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